lot on

基本解释

This may be not practical for other people, but at least it helps me a lot on behaving myself.
这是一个办法，也许不适合他人，但至少我自己，在做人上纠正了不少错误。
Sweat is a great cooling system, but if you're sweating a lot on a hot day, you could be losing too much water.
出汗是很好的降温系统。但是，如果你在天热的时候出了很多汗，你就可能流失过多的水分。
I talk about this a lot on my blog, about why I feel the way I do and how I can address these feelings without perpetuating the negativity at the source of them.
我在我自己的博客上对此谈了许多，，谈到了我有什么感受、我是如何做的以及在不从根源上消除其阴暗影响的情况下我是如何处理这些感觉的。

I know that my employer carries a lot on her shoulders.
Our brain has got all that stuff coming in there and we're probably focusing a lot on the bass and "Boom, boom, " the tuba that's playing there.
我们的大脑收集了所有听到的信息,而且可能更专注与低音部分,以及大号发出的"邦邦"声
耶鲁公开课 - 聆听音乐课程节选
where you focus a lot on the practical applications of what you're learning.
需要注重所学知识的实际应用。
干细胞和伦理 - SpeakingMax英语口语达人

What was driving our economy was we were spending a lot on credit cards.
WHITEHOUSE: Competing in the Global Economy